package ooday02;

public class Student extends Person{
    String className;
    String sId;
    Student(){

    }
    Student(String name,int age,String address,String className,String sId){
       super(name,age,address);
        this.className = className;
        this.sId=sId;
    }
    void study(){
        System.out.println(name+"正在学习");
    }

    void sayHi(){
        System.out.println("大家好，我叫"+name+",我今年"+age+"岁了，来自"+address+",班级是"+className+",学号是："+sId);
    }
}
